Hello all,
This case is about disk enclosure DAE090 is in a single-link state in OceanStor 6800 V3.
【Problem
Description】: Disk enclosure DAE090 is in a single-link state.
【Problem
Analysis】:
1. The Disk Enclosure DAE090 frequently reports the single-link state and recovers the problem in a very short time.
2. At the same time, there are alarms about the SAS port disconnect .the port is LO.IOM1.P1, this port is connected to DAE090.
3. Check the SAS port status at controller enclosure and disk enclosure.
The L0.IOM1.P1 started in the 2019 year, didn’t shut down recently.
But the ports on disk enclosure is started recently and the time almost the same with single-link problem recover time. The DAE090.B expansion module should reboot abnormal.
【Root
Cause】: The expansion module B faulty.
【Solution
Description】: Replace the
expansion module B on the DAE090.
Thanks.
